Charge this Glow-in-the-Dark Lego Brick USB key via USB and it will glow in the dark for several hours. The device supports a high speed USB 2.0 interface and is currently available in 2GB, 4GB, 8GB and 16GB of storage capacities. The Glow-in-the-Dark LEGO Brick USB key is priced at between $35 to $90.(JOHAN, techfrech)They do look neat, but I think a nice blue would look better.
Via Techfrech (Linakge)